In situ synchrotron X-ray total scattering measurements and analysis of colloidal CsPbX3 nanocrystals during flow synthesis

Autor:	Matthew W. Greenberg, Cheng-Hung Lin, Shirish Chodankar, Sanjit K. Ghose
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	perovskites nanocrystals small-angle x-ray scattering x-ray total scattering nucleation pair distribution function Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Crystallography QD901-999
Zdroj:	Journal of Synchrotron Radiation, Vol 30, Iss 6, Pp 1092-1099 (2023)
Druh dokumentu:	article
ISSN:	1600-5775 16005775
DOI:	10.1107/S1600577523007300
Popis:	In situ X-ray scattering measurements of CsPbX3 (X = Cl, Br, I) nanocrystal formation and halide exchange at NSLS-II beamlines were performed in an automated flow reactor. Total scattering measurements were performed at the 28-ID-2 (XPD) beamline and small-angle X-ray scattering at the 16-ID (LiX) beamline. Nanocrystal structural parameters of interest, including size, size distribution and atomic structure, were extracted from modeling the total scattering data. The results highlight the potential of these beamlines and the measurement protocols described in this study for studying dynamic processes of colloidal nanocrystal synthesis in solution with timescales on the order of seconds.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/e8ea434fdebd42b1b6f17914ef8aeffb Zobrazit plný text záznamu View record in DOAJ Plný text ve formátu PDF